80664320

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:386

約数の個数: 144

約数和(自身を含む): 223842528

約数和(自身を除く): 143178208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 256, 272, 320, 337, 340, 352, 374, 440, 544, 640, 674, 680, 704, 748, 880, 935, 1088, 1280, 1348, 1360, 1408, 1496, 1685, 1760, 1870, 2176, 2696, 2720, 2816, 2992, 3370, 3520, 3707, 3740, 4352, 5392, 5440, 5729, 5984, 6740, 7040, 7414, 7480, 10784, 10880, 11458, 11968, 13480, 14080, 14828, 14960, 18535, 21568, 21760, 22916, 23936, 26960, 28645, 29656, 29920, 37070, 43136, 45832, 47872, 53920, 57290, 59312, 59840, 63019, 74140, 86272, 91664, 107840, 114580, 118624, 119680, 126038, 148280, 183328, 215680, 229160, 237248, 239360, 252076, 296560, 315095, 366656, 431360, 458320, 474496, 504152, 593120, 630190, 733312, 916640, 948992, 1008304, 1186240, 1260380, 1466624, 1833280, 2016608, 2372480, 2520760, 3666560, 4033216, 4744960, 5041520, 7333120, 8066432, 10083040, 16132864, 20166080, 40332160, 80664320]

約数ペア:

[(1, 80664320), (2, 40332160), (4, 20166080), (5, 16132864), (8, 10083040), (10, 8066432), (11, 7333120), (16, 5041520), (17, 4744960), (20, 4033216), (22, 3666560), (32, 2520760), (34, 2372480), (40, 2016608), (44, 1833280), (55, 1466624), (64, 1260380), (68, 1186240), (80, 1008304), (85, 948992), (88, 916640), (110, 733312), (128, 630190), (136, 593120), (160, 504152), (170, 474496), (176, 458320), (187, 431360), (220, 366656), (256, 315095), (272, 296560), (320, 252076), (337, 239360), (340, 237248), (352, 229160), (374, 215680), (440, 183328), (544, 148280), (640, 126038), (674, 119680), (680, 118624), (704, 114580), (748, 107840), (880, 91664), (935, 86272), (1088, 74140), (1280, 63019), (1348, 59840), (1360, 59312), (1408, 57290), (1496, 53920), (1685, 47872), (1760, 45832), (1870, 43136), (2176, 37070), (2696, 29920), (2720, 29656), (2816, 28645), (2992, 26960), (3370, 23936), (3520, 22916), (3707, 21760), (3740, 21568), (4352, 18535), (5392, 14960), (5440, 14828), (5729, 14080), (5984, 13480), (6740, 11968), (7040, 11458), (7414, 10880), (7480, 10784)]